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Teleostei >
Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Hemigrammus: Greek, hemi = half + Greek, gramma = letter, signal (Ref. 45335).
More on author: Steindachner.
Issue
See Géry (1963) and Planquette et al. (1996: 274-275) for redescription and figures.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶; 23°C - 27°C (Ref. 2059)
South America: Solimões, Negro, and Maroni River basins.
南美洲: Solimoes ，尼格羅河與 Maroni 河流域。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 3.3 cm SL 雄鱼/尚未辨别雌雄; (Ref. 125972); 最大体重: 0.45 g (Ref. 125972)
Occurs in headwaters and also in the lower reaches of rivers. Its food depends on the biotope in which it is found, but it feeds mainly on arthropods. It prefers larvae of aquatic insects like Trichoptera, Chironomidae & Ephemeroptera and ants, which are found on the river vegetation or those which fall into the water (Ref. 12225). Maximum length reported to reach 4 cm TL (Ref. 2059).
出现于河川源头以及在河的下面范围方面。 它的食物仰赖生存环境在它被发现, 但是它主要捕食节肢动物。 它偏爱像毛翅目的水生昆虫幼生, 摇蚊 & 蜉蝣与蚂蚁, 那是发现于河植物或者那些那一个掉入水中.(参考文献 12225) 最大的长度报告达到 4 公分TL 。 (参考文献 2059)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
南美洲: Solimoes ，尼格羅河與 Maroni 河流域。
Lima, F.C.T., L.R. Malabarba, P.A. Buckup, J.F. Pezzi da Silva, R.P. Vari, A. Harold, R. Benine, O.T. Oyakawa, C.S. Pavanelli, N.A. Menezes, C.A.S. Lucena, M.C.S.L. Malabarba, Z.M.S. Lucena, R.E. Reis, F. Langeani, C. Moreira et al. …, 2003. Genera Incertae Sedis in Characidae. p. 106-168. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 38376)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00548 - 0.02637), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.2 ±0.40 se; based on food items.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
